These are a list of 3 mines in Otho.
| Name | Nearest Town | Type | More |
|---|---|---|---|
| Elkhorn/Otho Quarry | Fort Dodge Webster IA | Gypsum | View Details > |
| Elkhorn/Otho Quarry | Fort Dodge Webster IA | Gypsum | View Details > |
| Portable Plant #1 | Otho Webster IA | Construction Sand and Gravel | View Details > |